Locking structure of constant tension spring compensation device

Abstract

The utility model relates to the technical field of locking structures, and discloses a constant-tension spring compensation device locking structure which comprises a constant-tension spring compensation device body, a constant-tension spring compensation device and a locking device. A locking assembly is arranged on one side of the wire groove wheel. When the compensation line is broken, the line groove wheel rotates clockwise under the action of an internal spring so as to drive a main shaft to rotate and drive a driven wheel to rotate synchronously through a transmission belt, and meanwhile, a second bevel gear rotates under the meshing action of a first bevel gear and drives a threaded rod on the top to rotate; through the thread action of the threaded rod between the locking block and the limiting action of a sliding groove in the constant tension spring compensation device body on the locking block, the locking block is driven to move upwards, the top of the locking block is pushed into the bottom of the ratchet wheel, and therefore the ratchet wheel is clamped and prevented from continuously rotating, no electric element participates in the whole process, and the constant tension spring compensation device is simple in structure, convenient to use and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking structure technical field, concretely is a constant tension spring compensation device locking structure. BACKGROUND

[0002] Constant tension spring compensator is a kind of slackness adjusting device commonly used for compensating the length variation of catenary contact wire and load-bearing cable of electrified railway and subway, and the constant tension spring compensator body is composed of a plurality of parallel-connected planar energy storage spiral springs, the middle is connected by bearing and connected with the outside two sides of the involute slot wheel, the catenary contact wire and load-bearing cable are connected to the involute slot wheel of constant tension spring compensator through compensation rope, when the ambient temperature changes, the contact wire and load-bearing cable expand or shrink with heat, and the length changes, and the energy storage spiral spring group on the same center shaft as the involute slot wheel is wound or unwound, the torque generated drives the involute slot wheel to rotate, thereby controlling the compensation rope wound on the involute slot wheel to shorten or lengthen, to compensate the length variation of load-bearing cable and contact wire, and ensure that the tension of catenary contact wire and load-bearing cable remains constant when the length changes.

[0003] The existing constant tension spring compensation device does not have effective locking structure, and cannot be conveniently adjusted when the contact wire expands or shrinks with heat in summer and winter, in the related technology, the constant tension spring compensation device is provided with effective locking structure by setting compensation device body, round wheel, ratchet ring, fixed box, adjusting groove, hook, fixed block, first spring and adjusting assembly, so that the stability of use of constant tension spring compensation device is maintained, and the locking structure can conveniently adjust the constant tension spring compensation device, so that the use of constant tension spring compensation device is more convenient, but the motor needs to be started once every time, which is more troublesome, and when the motor is damaged, the contact net cannot be normally unwound and compensated, causing inconvenience in use. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a constant tension spring compensation device locking structure, which has the advantages of facilitating the constant tension spring compensation device to compensate for the broken line, and does not need to be adjusted separately each time, solves the problem that the existing constant tension spring compensation device locking structure is inconvenient to use.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a constant tension spring compensation device locking structure, include: constant tension spring compensation device body, its one side is installed with wire groove wheel, one side of wire groove wheel is provided with locking assembly, locking assembly includes: ratchet wheel, fixedly connected with one side of wire groove wheel, one end of ratchet wheel is fixedly connected with main shaft, and the inside rotation of main shaft is connected with constant tension spring compensation device body, the below of main shaft is connected with driven wheel through transmission belt, one end of driven wheel is fixedly connected with one bevel gear, one side of one bevel gear is connected with two bevel gears, and the top of two bevel gears is fixedly connected with threaded rod, and the outside of threaded rod is connected with locking block.

[0008] In some embodiments, the constant tension spring compensation device body is provided with a protection assembly on one side; the protection assembly comprises: a mounting block fixedly connected to one end of the constant tension spring compensation device body; a protection ring is installed in the inside of the mounting block; a mounting sliding block is slidingly connected in the inside of the mounting block; guide rods are slidingly connected on both sides of the mounting sliding block, and springs are sleeved on the outside of the guide rods.

[0009] In some embodiments, one end of the mounting sliding block extends to the inside of the mounting block, and the extending part of the mounting block is provided with an inclined surface, and a groove with the same size and shape as the extending part of the mounting sliding block is opened on the side surface of the protection ring.

[0010] In some embodiments, the mounting block and the mounting sliding block are a group, the bottom of the protection ring is provided with two groups, and is symmetrically arranged.

[0011] In some embodiments, a pull ring is fixedly connected to one side of the mounting sliding block.

[0012] In some embodiments, the protection ring is installed directly above the ratchet wheel.

[0013] In some embodiments, the second bevel gear is arranged directly below the ratchet wheel.

[0014] In some embodiments, one side of the locking block is slidingly connected with the inside of the constant tension spring compensation device body through a sliding groove, and the width of the sliding groove is the same as the width of the locking block.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a constant tension spring compensation device locking structure, which has the following beneficial effects:

[0017] The utility model discloses when the compensation line breaks, the wire slot wheel rotates along clockwise under the inside spring effect, thereby driving the main shaft rotation, and through the transmission belt drive driven wheel synchronous rotation, at the same time, the second bevel gear rotates under the meshing effect of the first bevel gear, and drives the threaded rod rotation of top, through the screw thread effect of threaded rod in locking block and the limiting effect of the slide groove in the constant tension spring compensation device body to locking block, drives locking block to move upward, makes locking block top push into the ratchet wheel bottom, thereby clamping ratchet wheel, avoids ratchet wheel to continue rotating, the whole process has no electric element participation, simple structure, convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the structural schematic diagram of the locking assembly of the utility model;

[0020] Figure 3 It is the structural schematic diagram of the protection assembly of the utility model;

[0021] Figure 4 It is the structural schematic diagram of the installation sliding block of the utility model.

[0022] In the drawing:

[0023] 11, constant tension spring compensation device body;12, wire slot wheel;

[0024] 2, locking assembly;21, ratchet wheel;22, main shaft;23, transmission belt;24, driven wheel;25, first bevel gear;26, second bevel gear;27, locking block;

[0025] 3, protection assembly;31, installation block;32, protection ring;33, installation sliding block;34, guide rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0028] In the present application, unless otherwise expressly specified and limited, the terms "connection", "fixing", and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship between two elements, unless otherwise expressly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0030] In use, in the event of a fault, the rebounding force generated by the stop wheel fixed on the involute slot wheel and the wedge force of the wedge block act together to force the notch of the wedge block to fall into the slot of the stop wheel, and the rotation of the stop wheel and the involute slot wheel is stopped by friction.

[0031] In the related art, by providing the compensation device body, the round wheel, the ratchet ring, the fixing box, the adjusting groove, the clamping hook, the fixing block, the first spring and the adjusting assembly, the constant tension spring compensation device has an effective locking structure, thereby maintaining the stability of use of the constant tension spring compensation device, and the locking structure can facilitate the adjustment operation of the constant tension spring compensation device, thereby making the use of the constant tension spring compensation device more convenient. However, the motor needs to be started once every time the winding is released, which is more troublesome, and when the motor is damaged, the contact net cannot be normally unwound and compensated, causing inconvenience.

[0032] To solve the problems in the related art to some extent, the embodiment of the present application provides a constant tension spring compensation device locking structure, when the compensation line is broken, the wire groove wheel 12 rotates clockwise under the action of the internal spring, thereby driving the main shaft 22 to rotate and driving the driven wheel 24 to rotate synchronously through the transmission belt 23, at the same time, the second bevel gear 26 rotates under the meshing action of the first bevel gear 25, and drives the threaded rod at the top to rotate, through the threaded action between the threaded rod and the locking block 27 and the limiting action of the sliding groove in the constant tension spring compensation device body 11 on the locking block 27, the locking block 27 is driven to move upwards, the top of the locking block 27 is pushed into the bottom of the ratchet wheel 21, thereby clamping the ratchet wheel 21, avoiding the ratchet wheel 21 from continuing to rotate.

[0033] The present application is described below in combination with the drawings and with reference to specific embodiments:

[0034] In combination Figures 1-4 , the embodiment of the present application provides a constant tension spring compensation device locking structure, comprising: a constant tension spring compensation device body 11, one side of which is provided with a wire groove wheel 12; one side of the wire groove wheel 12 is provided with a locking assembly 2; the locking assembly 2 comprises: a ratchet wheel 21 fixedly connected to one side of the wire groove wheel 12; one end of the ratchet wheel 21 is fixedly connected with a main shaft 22, and the main shaft 22 is rotatably connected with the inside of the constant tension spring compensation device body 11; the lower part of the main shaft 22 is drivingly connected with a driven wheel 24 through a transmission belt 23; one end of the driven wheel 24 is fixedly connected with a first bevel gear 25; one side of the first bevel gear 25 is meshingly connected with a second bevel gear 26, and the top of the second bevel gear 26 is fixedly connected with a threaded rod; the outside of the threaded rod is threadedly connected with a locking block 27.

[0035] In use, the catenary contact wire and the messenger wire are connected to the wire groove wheel 12 of the constant tension spring compensation device body 11 through the compensation rope, when the ambient temperature changes, the contact wire and the messenger wire expand or contract, the length changes, the energy storage spiral spring group on the same center shaft as the wire groove wheel 12 is wound or unwound, the generated torque drives the wire groove wheel 12 to rotate, thereby controlling the compensation rope wound on the wire groove wheel 12 to shorten or lengthen, to compensate for the length change of the messenger wire and the contact wire, to ensure that the tension of the contact wire and the messenger wire remains constant when the length changes, when the compensation rope is connected, the wire groove wheel 12 is pulled in the counterclockwise direction, when the compensation rope is broken, the wire groove wheel 12 rotates clockwise under the action of the internal spring, thereby driving the main shaft 22 to rotate, and driving the driven wheel 24 to rotate synchronously through the transmission belt 23, at the same time, the second bevel gear 26 rotates under the meshing action of the first bevel gear 25, and drives the threaded rod at the top to rotate, through the thread action between the threaded rod and the locking block 27 and the limiting action of the locking block 27 by the sliding groove in the constant tension spring compensation device body 11, the locking block 27 is driven to move upwards, so that the locking block 27 at the top is pushed into the bottom of the ratchet wheel 21, thereby clamping the ratchet wheel 21 to prevent the ratchet wheel 21 from continuing to rotate.

[0036] In some embodiments, the constant tension spring compensation device body 11 is provided with a protection assembly 3 on one side; the protection assembly 3 comprises: a mounting block 31 fixedly connected to one end of the constant tension spring compensation device body 11; a protection ring 32 is installed in the mounting block 31; a mounting sliding block 33 is slidably connected in the mounting block 31; guide rods 34 are slidably connected on both sides of the mounting sliding block 33, and springs are sleeved outside the guide rods 34.

[0037] In use, the protection ring 32 is inserted downwardly in alignment with the groove in the mounting block 31, during the insertion process, the protection ring 32 will press one side of the mounting sliding block 33, thereby hiding the end of the mounting sliding block 33 extending out of the mounting block 31, and compressing the spring outside the guide rod 34, when the groove on one side of the protection ring 32 reaches one side of the mounting sliding block 33, the mounting sliding block 33 is pushed into the groove under the action of the spring, thereby limiting the protection ring 32, which is convenient and fast.

[0038] In some embodiments, one end of the mounting sliding block 33 extends into the mounting block 31, and the extending part of the mounting block 31 is provided with a slope, and the side surface of the protection ring 32 is provided with a groove with the same size and shape as the extending part of the mounting sliding block 33, so that when the protection ring 32 is inserted, the slope on one side of the mounting sliding block 33 can be pressed, thereby allowing the mounting sliding block 33 to be retracted into the mounting block 31, preventing affecting the continuous movement of the protection ring 32.

[0039] In some embodiments, the mounting block 31 and the mounting sliding block 33 are a set, the bottom of the protective ring 32 is provided with two sets, and the two sets are symmetrically arranged to enhance the stability of the mounting.

[0040] In some embodiments, one side of the mounting sliding block 33 is fixedly connected with a pull ring, so that the mounting sliding block 33 is pulled to unlock the protective ring 32.

[0041] In some embodiments, the protective ring 32 is installed directly above the ratchet wheel 21, and some protection is provided for the ratchet wheel 21 and the elements inside the constant-tension spring compensation device body 11.

[0042] In some embodiments, the second bevel gear 26 is arranged directly below the ratchet wheel 21, so as to brake the ratchet wheel 21.

[0043] In some embodiments, one side of the locking block 27 is slidably connected to the inside of the constant-tension spring compensation device body 11 through a sliding groove, the width of the sliding groove is the same as the width of the locking block 27, the sliding stability of the locking block 27 is enhanced, and the transverse movement of the locking block 27 is limited, so that the locking block 27 is prevented from rotating with the threaded rod.

[0044] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0045] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the scope of protection required by the present application.

[0046] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A constant tension spring compensation device locking structure, characterized by, Include: Constant tension spring compensation device body (11), one side is installed with wire groove wheel (12); One side of the wire groove wheel (12) is provided with a locking assembly (2); the locking assembly (2) comprises: Ratchet (21), fixedly connected to one side of the wire groove wheel (12); one end of the ratchet (21) is fixedly connected with a main shaft (22), and the main shaft (22) is rotatably connected with the inside of the constant tension spring compensation device body (11); the lower portion of the main shaft (22) is drivingly connected with a driven wheel (24) through a transmission belt (23); one end of the driven wheel (24) is fixedly connected with a first bevel gear (25); the first bevel gear (25) is meshingly connected with a second bevel gear (26) on one side, and the second bevel gear (26) is fixedly connected with a threaded rod at the top; the outer thread of the threaded rod is connected with a locking block (27).

2. The constant tension spring compensation device locking structure of claim 1, wherein, One side of the constant tension spring compensation device body (11) is provided with a protection assembly (3); the protection assembly (3) comprises: Mounting block (31), fixedly connected to one end of the constant tension spring compensation device body (11); the inside of the mounting block (31) is provided with a protection ring (32); the inside of the mounting block (31) is slidingly connected with a mounting sliding block (33); the two sides of the mounting sliding block (33) are slidingly connected with guide rods (34), and the outside of the guide rods (34) is sleeved with springs.

3. The constant tension spring compensation device locking structure of claim 2, wherein: One end of the mounting sliding block (33) extends to the inside of the mounting block (31), and the protruding part of the mounting block (31) is provided with an inclined surface, and the side surface of the protection ring (32) is provided with a groove with the same size and shape as the protruding part of the mounting sliding block (33).

4. The constant tension spring compensation device locking structure of claim 2, wherein: The mounting block (31) and the mounting sliding block (33) are a group, the bottom of the protection ring (32) is provided with two groups, and is symmetrically arranged.

5. The constant tension spring compensation device locking structure of claim 2, wherein: One side of the mounting sliding block (33) is fixedly connected with a pull ring.

6. The constant tension spring compensation device locking structure of claim 2, wherein: The protection ring (32) is installed directly above the ratchet (21).

7. The constant tension spring compensation device locking structure of claim 1, wherein: The second bevel gear (26) is arranged directly below the ratchet (21).

8. The constant tension spring compensation device locking structure of claim 1, wherein: One side of the locking block (27) is slidingly connected with the inside of the constant tension spring compensation device body (11) through a sliding groove, and the width of the sliding groove is the same as the width of the locking block (27).

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